Cap for a drink container



FIG. 1 is a perspective view of a cap for a drink container showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a perspective view of a cap for a drink container showing a mouth in open position. 

The ornamental design for the cap for a drink container, as shown and described. 